sparkStreaming conversion operator 02

 

map operator 
1. Start nc only start in a cluster server
       
2. FIG follows

 

mapflap


1. Start in the cluster nc start only server 

 


  2. FIG follows 
 
 
  

  

filter

1. Start in the cluster nc start only server 

 

 

foreach

 

 

 

Guess you like

Origin www.cnblogs.com/JBLi/p/11366362.html